Updated December 2025

Dayna Freeman, B.S.

  • Under Review

    Weiss, E., Bartlett, E., Naganawa, M., Asch, R., Hart-Derrick, V.R., Miller, R.C., Freeman, D., Nabulsi, N., Radhakrishnan, R., Matuskey, D., Esterlis, I., Davis, M.T. (submitted for review under Nature Neuroscience). Relationships between kappa opioid receptor availability and borderline personality disorder: An in-vivo examination with [11C]EKAP PET imaging.

    In Preparation

    Freeman, D., Mathew G., Myerscough, K., Dumas, R., Duraney, E., Davis, M. T., & Weiss, E. R. (in preparation). Compulsive Behavior in a DBT-IOP Program: A Diary Card Examination. 

    Schaffer, M. R., Van Til, K. R., Freeman, D., Davis, M. T., Wiseblatt, A., Schubert, J. R., Grau, P. P., & Sexton, M. B. (in preparation). Investigating Functional Risk Profiles Among Veterans: Can Risk Profile Predict Heavy Alcohol Use? 

    Albright, C., Elliott, S., Freeman, D., & Davis, M. T. (in preparation). Seeing Things in a Different Light: How Dialectical Behavior Therapy (DBT) and Ketamine Can Work Together to Build a Life Worth Living.

  • Freeman, D.*, Li, X.*, Weiss, E. R., Hart-Derrick, V. R., Naganawa, M., Matuskey, D. Nabulsi, N., & Davis, M. T. (2025, November). Kappa Opioid Receptor Availability and Interoceptive Awareness: Investigating Links across Disordered Eating Behaviors. [Poster Presentation]. The Association for Behavioral and Cognitive Therapies (ABCT) Conference, New Orleans, LA, United States.

              *co first-authors

    Weiss, E. R., Hart-Derrick, V. R., Freeman, D., Navarre, K., Faisal, A., Barnes, S., Davis, M. T. (2025, November). Taekwondo-Based Mindful Movement for Improving Interoceptive Deficits: A Pilot Study in a DBT IOP. [Poster Presentation]. The International Society for the Improvement and Teaching of Dialectical Behavior Therapy, New Orleans, LA, United States.

    Weiss, E. R., Hart-Derrick, V. R., Freeman, D., Pittenger, C., Matuskey, D., Nabulsi, N., & Davis, M. T. (2025, April). Associations Between Kappa Opioid Receptor Availability and Hoarding Behaviors: Preliminary Evidence Using [11C]EKAP Positron Emission Tomography. [Poster Presentation]. Society of Biological Psychiatry (SOBP), Toronto, ON, Canada.

    Weiss, E. R., Hart-Derrick, V. R., Freeman, D., Naganawa, M., Pittenger, C., Matuskey, D., Nabulsi, N., & Davis, M. T. (2025, February). Associations Between Kappa Opioid Receptor Availability and Hoarding Behaviors: Preliminary Evidence Using [11C]EKAP Positron Emission Tomography. [Poster Presentation]. Center for Brain and Mind Health Winter Symposium, Yale University, New Haven, CT, United States.

    Wieber, N., Heffernan, M., Gabriel, J., Serpe, G., & Freeman, D. (2022, May). Seeing the Big Picture As We Age. [Poster Presentation]. 2022 Intergenerational Science Social, Boston College, Chestnut Hill, MA, United States. 

    Lewis, T., Freeman, D., & Davis, M. T. (2026, January). Frontal and Amygdalar KOR Availability and BPD Traits: Neurochemical Correlates of Impulsivity, Emotional Dysregulation, and Suicide Risk. Poster accepted for presentation at the American College of Neuropsychopharmacology (ACNP) Conference, Nassau, Commonwealth of the Bahamas.

    Li, R., Wong, V., Naganawa, M., Hart-Derrick, V. R., Freeman, D., Miller, R. C., Weiss, E. R., & Davis, M. T (April, 2026). In vivo Examination of the Kappa Opioid Receptor in Borderline Personality Disorder: Relationship to Restrictive Eating Cognitions and Behavior. Poster accepted for presentation at The North American Society for the Study of Personality Disorders (NASSPD).

  • Weiss, E. R., Hart-Derrick, V. R., Freeman, D., Miller, R., Hillmer, A., Wagner, A., Matuskey, D., Esterlis, I., & Davis, M. T. (2025, May). Examining the Role of the Kappa Opioid Receptor in Trauma-Related Psychopathology and Chronic Pain Using [11C]EKAP Positron Emission Tomography. Biological Psychiatry, 97(9). https://doi.org/10.1016/j.biopsych.2025.02.690

    Weiss, E. R., Hart-Derrick, V. R., Freeman, D., Pittenger, C., Matuskey, D., Nabulsi, N., & Davis, M. T. (2025, May). Associations Between Kappa Opioid Receptor Availability and Hoarding Behaviors: Preliminary Evidence Using [11C]EKAP Positron Emission Tomography. Biological Psychiatry, 97(9). https://doi.org/10.1016/j.biopsych.2025.02.644

  • Weiss, E. R., Li, X., Freeman, D., Hart-Derrick, V. R., Navarre, K., Kalotihos, L., Barnes, S., & Davis, M. T. (2025, November). Getting in Touch: Exploring Mindful Taekwondo in High-level Treatment Settings. [Symposium Presentation]. The Association for Behavioral and Cognitive Therapies Conference (ABCT), New Orleans, LA, United States.

    Davis, M. T., Darvin, K., Freeman, D., & Mathew, G. (2025, May). Seeking Psychotherapy for BPD: Options, Considerations, and Open Questions. [Symposium Presentation]. Yale-National Education Alliance for Borderline Personality Disorder Conference, New Haven, CT, United States.

    Weiss, E. R., Hart-Derrick, V. R., Freeman, D., Naganawa, M., Pittenger, C., Matuskey, D., Nabulsi, N., & Davis, M. T. (2025, March). Associations Between kappa opioid receptor availability and hoarding behaviors: Preliminary evidence using [11C]EKAP PET. [Oral Talk]. 8th Conference on Therapeutic Potential of Kappa Opioids, St. Louis, MO, United States. 

    Duraney, E. J., Freeman, D., Hart-Derrick, V. R., Van Til, K., Weeks, T., Barnes, S., Cawood, C., & Davis, M. T. Impact of dialectical behavior therapy skill use on symptoms and behaviors: A diary card analysis. Oral presentation accepted for presentation at The North American Society for the Study of Personality Disorders (NASSPD).

    Weiss, E. R., Bartlett, E., Naganawa, M., Asch, R. H., Hart-Derrick, V. R., Miller, R. C., Freeman, D., Radhakrishnan, R., Matuskey, D., Nabulsi, N., Huang, Y., & Davis, M. T. Examining the Kappa Opioid Receptor in Borderline Personality: An in-vivo Study Using Positron Emission Tomography (PET) Imaging. Oral presentation accepted for presentation at The North American Society for the Study of Personality Disorders (NASSPD).

    Other Academic Presentations

    Albright, C., Elliott, S., Freeman, D., & Davis, M. T. (2025, May). Seeing Things in a Different Light: How Dialectical Behavior Therapy (DBT) and Ketamine Can Work Together to Build a Life Worth Living. [Pre-Doctoral Internship Scholarly Project Presentation]. Yale Pre-Doctoral Internship in Clinical & Community Psychology Scholarly Project Presentations, New Haven, CT, United States.